I know these forums are pretty strictly not for help with online games, but I would be astounded if it has to do with Dota 2. I mainly even am mentioning it because it takes up a lot of memory, which is likely central to the occurrence of this. I am on x64 Windows 10 and for some strange reason, almost every time I scan it I get a BSoD with IRQL_NOT_LESS_OR_EQUAL. I am getting minidumps but I am not sure how to post it as .dmp is not allowed (I am guessing hosting it on another site would just be an evasion of the rule). I do not have much experience analyzing them but I can say, at least, that it is occurring inside the dota process. I seem to recall getting the same issue when scanning CS:GO, but with less frequency.

I have tried a few things, all of which have had null effect:
- Default settings (where I first noticed it)
- Making sure I have no kernelmode options on
- "Don't scan memory that is protected with the No Cache option"
- Changing scanfile location to desktop
- Changing the scan memory region types (even just MEM_IMAGE BSoDs)

The BSoD always happens partway through but at varying points (e.g. I've seen the green bar vary between 1/5 and 4/5 before I crash).

I have only observed this BSoD while scanning with CE, and based on that my computer has pretty high specs (XPS 15 9560) I really do not think it is incapable of scanning. I would not be surprised if this is entirely due to some defect or driver issue, but I am still asking here because of its sole occurrence with CE and that you guys (or at least DB) are likely to know some likely causes with the inner workings of the scan.

So, based on the log and the given info, could anyone give some ideas on how I can resolve this? I am using the latest x64 CE 6.6.

- Extra settings were already all off
- I thought ceregreset.exe worked for a few minutes, but after a couple of scans I BSoDed again
- I haven't messed with any overclocking. My processor is currently on 2.8 quad core but I think it automatically goes higher when needed (come to think of it, that sounds like a good possibility if the controller software is somehow messed up, though I updated all Dell drivers & the BIOS just a bit ago to try to fix this. I will try to disable any weird processor features if they're on).

I ran some memory tests and all came out positive. Everything else is fine. So then I ran Dota with -dx11 and I've scanned at least 25 times with no BSoD. I am so confused! I don't mind using dx11 now that I know to use it, but any idea what the heck is going on (why did you think to mention it)? This might just be a coincidence since I have changed a few other things, of course, but this is definitely the longest I've gone with no BSoD.

In my older PC, I was getting these IRQL_NOT_LESS_OR_EQUAL BSODs months before a full RAM module fault.
People said it's old drivers (when I always ran the newest one), it's overclocking (when I ran default clock speeds) or that I had a virus (whereas I never had one in my life - paranoia pays off). Some others said it's the firewall (when I had no problem with that, either).
A few months later, I would get beeps from the motherboard instead of booting. I looked up the error code and it said it was a memory problem.
I removed all four RAM modules and tried booting with each. PC did not boot with one. I tried that one in another RAM slot just to make sure that the RAM module is broken and not the slot.
I ended up throwing away a 4GB module (warranty was long gone).
So, my recommendation is that you prepare yourself for having to throw away a RAM module, and disk write errors due to corruptions and crashes.
Make a backup while you can

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